[all-commits] [llvm/llvm-project] 3a6aa1: [X86] Optimized ADD + ADC to ADC (#173543)

[Jaydeep Chauhan via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 3a6aa13f51245b73bfb935381ac8ffccb41982a4
      https://github.com/llvm/llvm-project/commit/3a6aa13f51245b73bfb935381ac8ffccb41982a4
  Author: Jaydeep Chauhan <chauhan.jaydeep.ashwinbhai at intel.com>
  Date:   2026-03-11 (Wed, 11 Mar 2026)

  Changed paths:
    M llvm/lib/Target/X86/X86ISelLowering.cpp
    M llvm/test/CodeGen/X86/combine-add.ll

  Log Message:
  -----------
  [X86] Optimized ADD + ADC to ADC (#173543)

This patch folds an `adc` followed by an `add` into a single `adc` instruction when adding constants.

Fixes #173408



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